<template>
	<view class="cart-container" v-if="cart.length !== 0">
    <my-address></my-address>
 <!-- 商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 右侧的文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    
    <!-- 循环渲染购物车中的商品信息 -->
        <uni-swipe-action>
          <block v-for="(goods, i) in cart" :key="i">
            <uni-swipe-action-item :options="options" @click="swipeItemClickHandler(goods)">
              <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
            </uni-swipe-action-item>
          </block>
        </uni-swipe-action>
        <!-- 使用结算组件 -->
        <my-settle></my-settle>
	</view>
  
  <!-- 购物车空白 -->
  <view class="empty-cart" v-else>
    <image src="/static/cart_empty@2x.png" class="empty-img"></image>
    <text class="tip-text">空空如也~</text>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import {mapState,mapMutations} from 'vuex'
	export default {
  mixins:[badgeMix],
  computed:{
    ...mapState('m_cart',['cart'])
  },
		data() {
			return {
        options:[{
          text:'删除',
          style:{
            backgroundColor:'#c00000'
          }
        }]
			};
		},
    methods:{
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsbyID']),
      radioChangeHandler(e){
        this.updateGoodsState(e)
      },
      numberChangeHandler(e){
        this.updateGoodsCount(e)
        },
        swipeItemClickHandler(goods){
          this.removeGoodsbyID(goods.goods_id)
        }
    }
   
  }
</script>

<style lang="scss">
.cart-container{
      padding-bottom: 50px;
  }
 .cart-title {
    height: 40px;
    display: flex;
    align-items: center;
    padding-left: 5px;
    border-bottom: 1px solid #EFEFEF;

    .cart-title-text {
      font-size: 14px;
      margin-left: 10px;
    }
  }
  .empty-cart {
    display: flex;
    // justify-content: space-between;
    align-items: center;
    flex-direction: column;
    padding-top: 200px;
    .empty-img {
      width: 100px;
      height: 100px;
    }
    
  }
  
</style>
